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bdbe3cd268
This ensures that the page reloads if the student uses the Back or Forwards buttons within an attempt. This avoids questions being in a stale state, or the timer showing the wrong time. Thanks to Jake Dallimore and Russell Boyatt for suggestions which lead to this fix.
100 lines
3.4 KiB
PHP
100 lines
3.4 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* This page prints a summary of a quiz attempt before it is submitted.
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*
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* @package mod_quiz
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* @copyright 2009 The Open University
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once(__DIR__ . '/../../config.php');
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require_once($CFG->dirroot . '/mod/quiz/locallib.php');
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$attemptid = required_param('attempt', PARAM_INT); // The attempt to summarise.
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$cmid = optional_param('cmid', null, PARAM_INT);
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$PAGE->set_url('/mod/quiz/summary.php', array('attempt' => $attemptid));
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// During quiz attempts, the browser back/forwards buttons should force a reload.
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$PAGE->set_cacheable(false);
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$attemptobj = quiz_create_attempt_handling_errors($attemptid, $cmid);
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// Check login.
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require_login($attemptobj->get_course(), false, $attemptobj->get_cm());
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// Check that this attempt belongs to this user.
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if ($attemptobj->get_userid() != $USER->id) {
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if ($attemptobj->has_capability('mod/quiz:viewreports')) {
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redirect($attemptobj->review_url(null));
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} else {
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throw new moodle_quiz_exception($attemptobj->get_quizobj(), 'notyourattempt');
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}
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}
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// Check capabilites.
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if (!$attemptobj->is_preview_user()) {
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$attemptobj->require_capability('mod/quiz:attempt');
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}
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if ($attemptobj->is_preview_user()) {
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navigation_node::override_active_url($attemptobj->start_attempt_url());
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}
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// Check access.
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$accessmanager = $attemptobj->get_access_manager(time());
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$accessmanager->setup_attempt_page($PAGE);
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$output = $PAGE->get_renderer('mod_quiz');
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$messages = $accessmanager->prevent_access();
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if (!$attemptobj->is_preview_user() && $messages) {
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print_error('attempterror', 'quiz', $attemptobj->view_url(),
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$output->access_messages($messages));
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}
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if ($accessmanager->is_preflight_check_required($attemptobj->get_attemptid())) {
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redirect($attemptobj->start_attempt_url(null));
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}
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$displayoptions = $attemptobj->get_display_options(false);
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// If the attempt is now overdue, or abandoned, deal with that.
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$attemptobj->handle_if_time_expired(time(), true);
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// If the attempt is already closed, redirect them to the review page.
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if ($attemptobj->is_finished()) {
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redirect($attemptobj->review_url());
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}
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// Arrange for the navigation to be displayed.
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if (empty($attemptobj->get_quiz()->showblocks)) {
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$PAGE->blocks->show_only_fake_blocks();
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}
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$navbc = $attemptobj->get_navigation_panel($output, 'quiz_attempt_nav_panel', -1);
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$regions = $PAGE->blocks->get_regions();
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$PAGE->blocks->add_fake_block($navbc, reset($regions));
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$PAGE->navbar->add(get_string('summaryofattempt', 'quiz'));
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$PAGE->set_title($attemptobj->summary_page_title());
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$PAGE->set_heading($attemptobj->get_course()->fullname);
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// Display the page.
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echo $output->summary_page($attemptobj, $displayoptions);
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// Log this page view.
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$attemptobj->fire_attempt_summary_viewed_event();
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